Built my 1st equatorial telescope mount in 1966 as a science fair project.

Currently using a Sony A7S, A7R II, RX10 III & IV as well as a Canon 60D. Also use ATIK Infinity, 428Ex and Horizon cameras, and a QHY 183C. Far too many Canon FD & EF, Pentax, Minolta, M42, T2, Tamron, Sigma and Samyang lenses and various telescopes. One of many websites: https://www.flickr.com/photos/58664881@N02/albums